Circular saw



FIG. 1 is a perspective view of a circular saw according to the presentinvention;

FIG. 2 is a front view of the circular saw of FIG. 1;

FIG. 3 is a back view of the circular saw of FIG. 1;

FIG. 4 is a right side view of the circular saw of FIG. 1;

FIG. 5 is a left side view of the circular saw of FIG. 1;

FIG. 6 is a top view of the circular saw of FIG. 1; and,

FIG. 7 is a bottom view of the circular saw of FIG. 1.

The broken lines in the figures illustrate features that form no part ofthe claimed design.

The ornamental design for a circular saw, as shown and described.